| WDS: | MCA70AA,AC | WDS ID/Discoverer |
| P: | 125.000 | Orbital period (years) |
| a: | 0.324 | Semi-major axis (arcseconds) |
| i: | 54.6 | Inclination (degrees) |
| Ω: | 166.1 | Longitude of ascending node (degrees) |
| T: | 2028.800 | Epoch of periastron passage (year) |
| e: | 0.82 | Eccentricity |
| ω: | 26.0 | Longitude of periastron (degrees) |
| Start-Year: | 1962.5 | Year |
| End-Year: | 2087.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for MCA70AA,AC |
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| Position: | 221352.73+394253.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22139+3943 | WDS designation |
| Discoverer Code: | MCA70AA,AC | Discover designation and components |
| ADS number: | 15758 | Aitken Double Star catalog |
| HD number: | 211073 | HD catalog number |
| Hipparcos number: | 109754 | Hipparcos catalog number |
| V1: | 4.69 | Magnitude of the primary |
| V2: | 8.15 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Tok2019e | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.070 125.82 -------------------------- 1962.50 0.555 0.63 1963.50 0.554 0.96 1964.50 0.553 1.28 1965.50 0.552 1.61 1966.50 0.550 1.94 1967.50 0.549 2.27 1968.50 0.547 2.61 1969.50 0.545 2.94 1970.50 0.543 3.28 1971.50 0.540 3.63 1972.50 0.538 3.97 1973.50 0.535 4.32 1974.50 0.532 4.67 1975.50 0.529 5.03 1976.50 0.525 5.39 1977.50 0.521 5.75 1978.50 0.518 6.13 1979.50 0.513 6.50 1980.50 0.509 6.89 1981.50 0.505 7.28 1982.50 0.500 7.67 1983.50 0.495 8.08 1984.50 0.490 8.49 1985.50 0.484 8.92 1986.50 0.479 9.35 1987.50 0.473 9.79 1988.50 0.467 10.25 1989.50 0.460 10.71 1990.50 0.454 11.19 1991.50 0.447 11.69 1992.50 0.440 12.20 1993.50 0.433 12.72 1994.50 0.425 13.27 1995.50 0.418 13.83 1996.50 0.410 14.42 1997.50 0.401 15.03 1998.50 0.393 15.66 1999.50 0.384 16.33 2000.50 0.375 17.02 2001.50 0.366 17.75 2002.50 0.356 18.52 2003.50 0.347 19.33 2004.50 0.336 20.19 2005.50 0.326 21.10 2006.50 0.315 22.08 2007.50 0.304 23.12 2008.50 0.293 24.25 2009.50 0.282 25.46 2010.50 0.270 26.78 2011.50 0.258 28.22 2012.50 0.245 29.81 2013.50 0.232 31.57 2014.50 0.219 33.54 2015.50 0.206 35.77 2016.50 0.192 38.31 2017.50 0.178 41.25 2018.50 0.163 44.70 2019.50 0.149 48.82 2020.50 0.135 53.81 2021.50 0.121 59.99 2022.50 0.107 67.78 2023.50 0.094 77.77 2024.50 0.083 90.59 2025.50 0.075 106.70 2026.50 0.070 125.82 2027.50 0.067 147.27 2028.50 0.059 172.46 2029.50 0.045 210.91 2030.50 0.047 263.25 2031.50 0.070 294.49 2032.50 0.097 309.24 2033.50 0.124 317.53 2034.50 0.150 322.92 2035.50 0.173 326.78 2036.50 0.195 329.74 2037.50 0.216 332.11 2038.50 0.236 334.08 2039.50 0.254 335.75 2040.50 0.271 337.21 2041.50 0.288 338.49 2042.50 0.303 339.64 2043.50 0.318 340.68 2044.50 0.332 341.62 2045.50 0.345 342.50 2046.50 0.358 343.31 2047.50 0.370 344.06 2048.50 0.382 344.77 2049.50 0.393 345.44 2050.50 0.403 346.08 2051.50 0.413 346.68 2052.50 0.423 347.25 2053.50 0.432 347.80 2054.50 0.441 348.33 2055.50 0.449 348.83 2056.50 0.457 349.32 2057.50 0.464 349.80 2058.50 0.471 350.25 2059.50 0.478 350.70 2060.50 0.485 351.13 2061.50 0.491 351.55 2062.50 0.497 351.96 2063.50 0.502 352.36 2064.50 0.507 352.76 2065.50 0.512 353.14 2066.50 0.517 353.52 2067.50 0.521 353.89 2068.50 0.525 354.26 2069.50 0.529 354.62 2070.50 0.532 354.98 2071.50 0.536 355.33 2072.50 0.539 355.68 2073.50 0.541 356.02 2074.50 0.544 356.36 2075.50 0.546 356.70 2076.50 0.548 357.03 2077.50 0.550 357.37 2078.50 0.551 357.70 2079.50 0.553 358.03 2080.50 0.554 358.35 2081.50 0.554 358.68 2082.50 0.555 359.01 2083.50 0.555 359.33 2084.50 0.556 359.66 2085.50 0.555 359.98 2086.50 0.555 0.31
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:37:52 |